how are metamorphic rocks formed
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1st igneous rocks are formed then igneous rocks break down into sediments with the help of animal, plants, rain etc. then they are move from one place to another with the help of erosion agents and then this rocks form a layer of sediment then they form sedimentary rocks and then after this the sedimentary rocks go through various changes because of heat and pressure and then due to this extreme heat and pressure metamorphic rocks are formed. After this metamorphic rocks again melt and form igneous rock..
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they r formed by igneous or sedimentary rocks dur to heat and preasure
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Metamorphic rocks
Metamorphic rocks are the third type we'll look at. They formed from other rocks that are changed because of heat or pressure.
Formation
Earth movements can cause rocks to be deeply buried or squeezed. As a result, the rocks are heated and put under great pressure. They do not melt, but the minerals they contain are changed chemically, forming metamorphic rocks.
Sometimes, metamorphic rocks are formed when rocks are close to some molten magma, and so get heated up.
Metamorphic rocks may form from rocks heated by magma
Remember that metamorphic rocks are not made from melting rock. (Rocks that do melt form igneous rocks instead.)
Metamorphic rocks are the third type we'll look at. They formed from other rocks that are changed because of heat or pressure.
Formation
Earth movements can cause rocks to be deeply buried or squeezed. As a result, the rocks are heated and put under great pressure. They do not melt, but the minerals they contain are changed chemically, forming metamorphic rocks.
Sometimes, metamorphic rocks are formed when rocks are close to some molten magma, and so get heated up.
Metamorphic rocks may form from rocks heated by magma
Remember that metamorphic rocks are not made from melting rock. (Rocks that do melt form igneous rocks instead.)
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